47520829 has 4 divisors (see below), whose sum is σ = 49586976. Its totient is φ = 45454684.

The previous prime is 47520827. The next prime is 47520853. The reversal of 47520829 is 92802574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47520829 - 2¹ = 47520827 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47520827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033039 + ... + 1033084.

It is an arithmetic number, because the mean of its divisors is an integer number (12396744).

Almost surely, 2^47520829 is an apocalyptic number.

It is an amenable number.

47520829 is a deficient number, since it is larger than the sum of its proper divisors (2066147).

47520829 is a wasteful number, since it uses less digits than its factorization.

47520829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066146.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 47520829 is about 6893.5353049071. The cubic root of 47520829 is about 362.2107504734.

The spelling of 47520829 in words is "forty-seven million, five hundred twenty thousand, eight hundred twenty-nine".